import java.util.Scanner;

public class 回顾3 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int[] arr = new int[6];
        System.out.println("欢迎各位评委开始打分");
        for (int i = 0; i < 6; i++) {
            int fs = sc.nextInt();
        if (fs >= 1 && fs <= 100) {
            arr[i] = fs;
        } else {
            System.out.println("输入有误");
            i--;
        }
    }
     int max=arr[0];
        for (int i = 0; i < arr.length; i++) {
            if(arr[i]>max){
                max=arr[i];
            }
        }
        int min=arr[0];
        for (int i = 0; i < arr.length; i++) {
            if(arr[i]<min){
                min=arr[i];
            }
        }
     int sum=0;
        for (int i = 0; i < arr.length; i++) {
            sum+=arr[i];
        }

       int avg=(sum-max-min)/4;
        System.out.println(avg);

        }


    }




